Home / 8,656.24-12,983.28-3,465.76

Finding the Fourth Proportional to 8,656.24, 12,983.28 and 3,465.76

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Solution

The fourth proportional to 8,656.24, 12,983.28 and 3,465.76 is: 5,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.24 : 12,983.28 = 3,465.76 : x
  2. Step 2: Convert to fraction form
    8,656.24/12,983.28 = 3,465.76/x
  3. Step 3: Cross multiply
    8,656.24x = 12,983.28 × 3,465.76
  4. Step 4: Simplify right side
    8,656.24x = 44,996,932.49
  5. Step 5: Solve for x
    x = 44,996,932.49/8,656.24
  6. Step 6: Final answer
    x = 5,198.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.